FNB BAD SERVICE

i would like some feedback on the poor service i been recieving from fnb since day one it is now at the point where i am listed and the account is closed and paid up i would like to know when the managers will call me back i been on hold for hours i have been to the branches i been promised feedback till today i am still waiting on desiree who said she can trace the calls where else must i go for help i been on the complaint email i send follow ups i dont know what else i should do can i please get some help on what to do next